
.friend_box{
    margin: 0 auto;
    width: 800px;
    .btn{
        background: $themeColor;
        border-radius: 4px;
        width: 100px;
        height: 38px;
        color: #fff;
        text-align: center;
        line-height: 38px;
        cursor: pointer;
        margin: 0 auto;
    }
}